/**
 * Copyright (C) 2011 Angelo Zerr <angelo.zerr@gmail.com> and Pascal Leclercq <pascal.leclercq@gmail.com>
 *
 * All rights reserved.
 *
 * Permission is hereby granted, free  of charge, to any person obtaining
 * a  copy  of this  software  and  associated  documentation files  (the
 * "Software"), to  deal in  the Software without  restriction, including
 * without limitation  the rights to  use, copy, modify,  merge, publish,
 * distribute,  sublicense, and/or sell  copies of  the Software,  and to
 * permit persons to whom the Software  is furnished to do so, subject to
 * the following conditions:
 *
 * The  above  copyright  notice  and  this permission  notice  shall  be
 * included in all copies or substantial portions of the Software.
 *
 * THE  SOFTWARE IS  PROVIDED  "AS  IS", WITHOUT  WARRANTY  OF ANY  KIND,
 * EXPRESS OR  IMPLIED, INCLUDING  BUT NOT LIMITED  TO THE  WARRANTIES OF
 * MERCHANTABILITY,    FITNESS    FOR    A   PARTICULAR    PURPOSE    AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 * OF CONTRACT, TORT OR OTHERWISE,  ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
package fr.opensagres.xdocreport.document.web;

import javax.servlet.http.HttpServletRequest;

import fr.opensagres.xdocreport.converter.IURIResolver;

public class WEBURIResolver implements IURIResolver,
		XDocProcessServletConstants {

	private final String baseURL;

	public WEBURIResolver(String reportId, HttpServletRequest request) {
		baseURL = createBaseURL(reportId, request);
	}

	private static String createBaseURL(String reportId,
			HttpServletRequest request) {
		StringBuilder baseURL = new StringBuilder();
		baseURL.append(request.getContextPath());
		baseURL.append(request.getServletPath());

		// reportId=report ID
		baseURL.append("?");
		baseURL.append(REPORT_ID_HTTP_PARAM);
		baseURL.append("=");
		baseURL.append(reportId);

		// dispatch=download
		baseURL.append("&");
		baseURL.append(DISPATCH_HTTP_PARAM);
		baseURL.append("=");
		baseURL.append(DOWNLOAD_DISPATCH);

		return baseURL.toString();
	}

	public String resolve(String uri) {
		StringBuilder url = new StringBuilder(baseURL);
		url.append("&");
		url.append(ENTRY_NAME_HTTP_PARAM);
		url.append("=");
		url.append(uri);
		return url.toString();
	}

}
